Atomic Strap is made of the same material as the iPod Nano, for the most seamless appearance. The soft strap rests gently on the back of your neck, bringing the ear pieces in perfect reach. Outfit your Nano in the skin that suits you and attach it to the base of the strap. Sound Design Atomic Strap shares the same ear pieces as Atomic Bass. The unique design creates the perfect acoustic...

First custom earphone in the world with a single 14mm dynamic driver couples with advanced frequency suppression technology (FST).
Frequency Response: 10-20000 Hz
Impedance：16ohms（including cable）
Sensitivity (at 1kHz)：116dB spl (1mW)
Important: Due to the size of the driver, people with small ears may not be able to fit. We would need your ear impressions to check for sizes...